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Finding the Fourth Proportional to 914.35, 1,260.81 and 582.35

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Solution

The fourth proportional to 914.35, 1,260.81 and 582.35 is: 803.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    914.35 : 1,260.81 = 582.35 : x
  2. Step 2: Convert to fraction form
    914.35/1,260.81 = 582.35/x
  3. Step 3: Cross multiply
    914.35x = 1,260.81 × 582.35
  4. Step 4: Simplify right side
    914.35x = 734,232.70
  5. Step 5: Solve for x
    x = 734,232.70/914.35
  6. Step 6: Final answer
    x = 803.01

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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.