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Finding the Fourth Proportional to 524.93, 787.57 and 216.93

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Solution

The fourth proportional to 524.93, 787.57 and 216.93 is: 325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.93 : 787.57 = 216.93 : x
  2. Step 2: Convert to fraction form
    524.93/787.57 = 216.93/x
  3. Step 3: Cross multiply
    524.93x = 787.57 × 216.93
  4. Step 4: Simplify right side
    524.93x = 170,846.76
  5. Step 5: Solve for x
    x = 170,846.76/524.93
  6. Step 6: Final answer
    x = 325.47

Related Problems

Find fourth proportional to 262.47, 393.79 and 108.46
Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.