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Finding the Fourth Proportional to 530.29, 795.43 and 165.08

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Solution

The fourth proportional to 530.29, 795.43 and 165.08 is: 247.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.29 : 795.43 = 165.08 : x
  2. Step 2: Convert to fraction form
    530.29/795.43 = 165.08/x
  3. Step 3: Cross multiply
    530.29x = 795.43 × 165.08
  4. Step 4: Simplify right side
    530.29x = 131,305.19
  5. Step 5: Solve for x
    x = 131,305.19/530.29
  6. Step 6: Final answer
    x = 247.61

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Double scale
Find fourth proportional to 531.29, 796.93 and 166.08
Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.