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Finding the Fourth Proportional to 795.04, 1,187.12 and 712.24

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Solution

The fourth proportional to 795.04, 1,187.12 and 712.24 is: 1,063.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.04 : 1,187.12 = 712.24 : x
  2. Step 2: Convert to fraction form
    795.04/1,187.12 = 712.24/x
  3. Step 3: Cross multiply
    795.04x = 1,187.12 × 712.24
  4. Step 4: Simplify right side
    795.04x = 845,514.35
  5. Step 5: Solve for x
    x = 845,514.35/795.04
  6. Step 6: Final answer
    x = 1,063.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.