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Finding the Fourth Proportional to 527.06, 727.54 and 471.70

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Solution

The fourth proportional to 527.06, 727.54 and 471.70 is: 651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.06 : 727.54 = 471.70 : x
  2. Step 2: Convert to fraction form
    527.06/727.54 = 471.70/x
  3. Step 3: Cross multiply
    527.06x = 727.54 × 471.70
  4. Step 4: Simplify right side
    527.06x = 343,177.58
  5. Step 5: Solve for x
    x = 343,177.58/527.06
  6. Step 6: Final answer
    x = 651.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.