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Finding the Fourth Proportional to 530.32, 795.51 and 165.12

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Solution

The fourth proportional to 530.32, 795.51 and 165.12 is: 247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.32 : 795.51 = 165.12 : x
  2. Step 2: Convert to fraction form
    530.32/795.51 = 165.12/x
  3. Step 3: Cross multiply
    530.32x = 795.51 × 165.12
  4. Step 4: Simplify right side
    530.32x = 131,354.61
  5. Step 5: Solve for x
    x = 131,354.61/530.32
  6. Step 6: Final answer
    x = 247.69

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1.5x scale

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.