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Finding the Fourth Proportional to 835.04, 1,152.42 and 503.60

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Solution

The fourth proportional to 835.04, 1,152.42 and 503.60 is: 695.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.04 : 1,152.42 = 503.60 : x
  2. Step 2: Convert to fraction form
    835.04/1,152.42 = 503.60/x
  3. Step 3: Cross multiply
    835.04x = 1,152.42 × 503.60
  4. Step 4: Simplify right side
    835.04x = 580,358.71
  5. Step 5: Solve for x
    x = 580,358.71/835.04
  6. Step 6: Final answer
    x = 695.01

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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.