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Finding the Fourth Proportional to 795.74, 1,098.50 and 530.63

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Solution

The fourth proportional to 795.74, 1,098.50 and 530.63 is: 732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.74 : 1,098.50 = 530.63 : x
  2. Step 2: Convert to fraction form
    795.74/1,098.50 = 530.63/x
  3. Step 3: Cross multiply
    795.74x = 1,098.50 × 530.63
  4. Step 4: Simplify right side
    795.74x = 582,888.91
  5. Step 5: Solve for x
    x = 582,888.91/795.74
  6. Step 6: Final answer
    x = 732.51

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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.