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Finding the Fourth Proportional to 707.93, 977.85 and 544.15

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Solution

The fourth proportional to 707.93, 977.85 and 544.15 is: 751.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.93 : 977.85 = 544.15 : x
  2. Step 2: Convert to fraction form
    707.93/977.85 = 544.15/x
  3. Step 3: Cross multiply
    707.93x = 977.85 × 544.15
  4. Step 4: Simplify right side
    707.93x = 532,097.08
  5. Step 5: Solve for x
    x = 532,097.08/707.93
  6. Step 6: Final answer
    x = 751.62

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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.