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Finding the Fourth Proportional to 610.13, 841.77 and 361.53

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Solution

The fourth proportional to 610.13, 841.77 and 361.53 is: 498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.13 : 841.77 = 361.53 : x
  2. Step 2: Convert to fraction form
    610.13/841.77 = 361.53/x
  3. Step 3: Cross multiply
    610.13x = 841.77 × 361.53
  4. Step 4: Simplify right side
    610.13x = 304,325.11
  5. Step 5: Solve for x
    x = 304,325.11/610.13
  6. Step 6: Final answer
    x = 498.79

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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.