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Finding the Fourth Proportional to 529.93, 795.57 and 505.32

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Solution

The fourth proportional to 529.93, 795.57 and 505.32 is: 758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.93 : 795.57 = 505.32 : x
  2. Step 2: Convert to fraction form
    529.93/795.57 = 505.32/x
  3. Step 3: Cross multiply
    529.93x = 795.57 × 505.32
  4. Step 4: Simplify right side
    529.93x = 402,017.43
  5. Step 5: Solve for x
    x = 402,017.43/529.93
  6. Step 6: Final answer
    x = 758.62

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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.