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Finding the Fourth Proportional to 807.35, 1,114.36 and 585.88

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Solution

The fourth proportional to 807.35, 1,114.36 and 585.88 is: 808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    807.35 : 1,114.36 = 585.88 : x
  2. Step 2: Convert to fraction form
    807.35/1,114.36 = 585.88/x
  3. Step 3: Cross multiply
    807.35x = 1,114.36 × 585.88
  4. Step 4: Simplify right side
    807.35x = 652,876.99
  5. Step 5: Solve for x
    x = 652,876.99/807.35
  6. Step 6: Final answer
    x = 808.67

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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.