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Finding the Fourth Proportional to 477.19, 658.51 and 267.40

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Solution

The fourth proportional to 477.19, 658.51 and 267.40 is: 369.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.19 : 658.51 = 267.40 : x
  2. Step 2: Convert to fraction form
    477.19/658.51 = 267.40/x
  3. Step 3: Cross multiply
    477.19x = 658.51 × 267.40
  4. Step 4: Simplify right side
    477.19x = 176,082.28
  5. Step 5: Solve for x
    x = 176,082.28/477.19
  6. Step 6: Final answer
    x = 369.00

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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.