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Finding the Fourth Proportional to 531.07, 800.55 and 484.94

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Solution

The fourth proportional to 531.07, 800.55 and 484.94 is: 731.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.07 : 800.55 = 484.94 : x
  2. Step 2: Convert to fraction form
    531.07/800.55 = 484.94/x
  3. Step 3: Cross multiply
    531.07x = 800.55 × 484.94
  4. Step 4: Simplify right side
    531.07x = 388,216.22
  5. Step 5: Solve for x
    x = 388,216.22/531.07
  6. Step 6: Final answer
    x = 731.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.