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Finding the Fourth Proportional to 524.51, 786.21 and 177.53

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Solution

The fourth proportional to 524.51, 786.21 and 177.53 is: 266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.51 : 786.21 = 177.53 : x
  2. Step 2: Convert to fraction form
    524.51/786.21 = 177.53/x
  3. Step 3: Cross multiply
    524.51x = 786.21 × 177.53
  4. Step 4: Simplify right side
    524.51x = 139,575.86
  5. Step 5: Solve for x
    x = 139,575.86/524.51
  6. Step 6: Final answer
    x = 266.11

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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.