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Finding the Fourth Proportional to 835.49, 1,152.93 and 462.44

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Solution

The fourth proportional to 835.49, 1,152.93 and 462.44 is: 638.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.49 : 1,152.93 = 462.44 : x
  2. Step 2: Convert to fraction form
    835.49/1,152.93 = 462.44/x
  3. Step 3: Cross multiply
    835.49x = 1,152.93 × 462.44
  4. Step 4: Simplify right side
    835.49x = 533,160.95
  5. Step 5: Solve for x
    x = 533,160.95/835.49
  6. Step 6: Final answer
    x = 638.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.