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Finding the Fourth Proportional to 833.19, 1,150.18 and 530.49

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Solution

The fourth proportional to 833.19, 1,150.18 and 530.49 is: 732.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.19 : 1,150.18 = 530.49 : x
  2. Step 2: Convert to fraction form
    833.19/1,150.18 = 530.49/x
  3. Step 3: Cross multiply
    833.19x = 1,150.18 × 530.49
  4. Step 4: Simplify right side
    833.19x = 610,153.24
  5. Step 5: Solve for x
    x = 610,153.24/833.19
  6. Step 6: Final answer
    x = 732.31

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Double scale
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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.