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Finding the Fourth Proportional to 530.37, 795.54 and 505.76

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Solution

The fourth proportional to 530.37, 795.54 and 505.76 is: 758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.37 : 795.54 = 505.76 : x
  2. Step 2: Convert to fraction form
    530.37/795.54 = 505.76/x
  3. Step 3: Cross multiply
    530.37x = 795.54 × 505.76
  4. Step 4: Simplify right side
    530.37x = 402,348.33
  5. Step 5: Solve for x
    x = 402,348.33/530.37
  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.