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Finding the Fourth Proportional to 795.13, 1,097.15 and 500.49

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Solution

The fourth proportional to 795.13, 1,097.15 and 500.49 is: 690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.13 : 1,097.15 = 500.49 : x
  2. Step 2: Convert to fraction form
    795.13/1,097.15 = 500.49/x
  3. Step 3: Cross multiply
    795.13x = 1,097.15 × 500.49
  4. Step 4: Simplify right side
    795.13x = 549,110.10
  5. Step 5: Solve for x
    x = 549,110.10/795.13
  6. Step 6: Final answer
    x = 690.59

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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.