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Finding the Fourth Proportional to 530.48, 795.88 and 336.68

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Solution

The fourth proportional to 530.48, 795.88 and 336.68 is: 505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.48 : 795.88 = 336.68 : x
  2. Step 2: Convert to fraction form
    530.48/795.88 = 336.68/x
  3. Step 3: Cross multiply
    530.48x = 795.88 × 336.68
  4. Step 4: Simplify right side
    530.48x = 267,959.29
  5. Step 5: Solve for x
    x = 267,959.29/530.48
  6. Step 6: Final answer
    x = 505.13

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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.