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Finding the Fourth Proportional to 345.60, 479.52 and 335.52

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Solution

The fourth proportional to 345.60, 479.52 and 335.52 is: 465.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    345.60 : 479.52 = 335.52 : x
  2. Step 2: Convert to fraction form
    345.60/479.52 = 335.52/x
  3. Step 3: Cross multiply
    345.60x = 479.52 × 335.52
  4. Step 4: Simplify right side
    345.60x = 160,888.55
  5. Step 5: Solve for x
    x = 160,888.55/345.60
  6. Step 6: Final answer
    x = 465.53

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.