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Finding the Fourth Proportional to 833.94, 1,150.92 and 502.32

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Solution

The fourth proportional to 833.94, 1,150.92 and 502.32 is: 693.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.94 : 1,150.92 = 502.32 : x
  2. Step 2: Convert to fraction form
    833.94/1,150.92 = 502.32/x
  3. Step 3: Cross multiply
    833.94x = 1,150.92 × 502.32
  4. Step 4: Simplify right side
    833.94x = 578,130.13
  5. Step 5: Solve for x
    x = 578,130.13/833.94
  6. Step 6: Final answer
    x = 693.25

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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.