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Finding the Fourth Proportional to 833.12, 1,150.16 and 501.63

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Solution

The fourth proportional to 833.12, 1,150.16 and 501.63 is: 692.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.12 : 1,150.16 = 501.63 : x
  2. Step 2: Convert to fraction form
    833.12/1,150.16 = 501.63/x
  3. Step 3: Cross multiply
    833.12x = 1,150.16 × 501.63
  4. Step 4: Simplify right side
    833.12x = 576,954.76
  5. Step 5: Solve for x
    x = 576,954.76/833.12
  6. Step 6: Final answer
    x = 692.52

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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.