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Finding the Fourth Proportional to 477.41, 716.11 and 152.77

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Solution

The fourth proportional to 477.41, 716.11 and 152.77 is: 229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.41 : 716.11 = 152.77 : x
  2. Step 2: Convert to fraction form
    477.41/716.11 = 152.77/x
  3. Step 3: Cross multiply
    477.41x = 716.11 × 152.77
  4. Step 4: Simplify right side
    477.41x = 109,402.32
  5. Step 5: Solve for x
    x = 109,402.32/477.41
  6. Step 6: Final answer
    x = 229.16

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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.