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Finding the Fourth Proportional to 524.77, 787.16 and 236.21

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Solution

The fourth proportional to 524.77, 787.16 and 236.21 is: 354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.77 : 787.16 = 236.21 : x
  2. Step 2: Convert to fraction form
    524.77/787.16 = 236.21/x
  3. Step 3: Cross multiply
    524.77x = 787.16 × 236.21
  4. Step 4: Simplify right side
    524.77x = 185,935.06
  5. Step 5: Solve for x
    x = 185,935.06/524.77
  6. Step 6: Final answer
    x = 354.32

Related Problems

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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.