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Finding the Fourth Proportional to 924.58, 1,276.06 and 575.38

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Solution

The fourth proportional to 924.58, 1,276.06 and 575.38 is: 794.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.58 : 1,276.06 = 575.38 : x
  2. Step 2: Convert to fraction form
    924.58/1,276.06 = 575.38/x
  3. Step 3: Cross multiply
    924.58x = 1,276.06 × 575.38
  4. Step 4: Simplify right side
    924.58x = 734,219.40
  5. Step 5: Solve for x
    x = 734,219.40/924.58
  6. Step 6: Final answer
    x = 794.11

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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.