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Finding the Fourth Proportional to 602.29, 903.13 and 277.38

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Solution

The fourth proportional to 602.29, 903.13 and 277.38 is: 415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.29 : 903.13 = 277.38 : x
  2. Step 2: Convert to fraction form
    602.29/903.13 = 277.38/x
  3. Step 3: Cross multiply
    602.29x = 903.13 × 277.38
  4. Step 4: Simplify right side
    602.29x = 250,510.20
  5. Step 5: Solve for x
    x = 250,510.20/602.29
  6. Step 6: Final answer
    x = 415.93

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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.