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Finding the Fourth Proportional to 848.10, 1,169.46 and 652.08

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Solution

The fourth proportional to 848.10, 1,169.46 and 652.08 is: 899.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.10 : 1,169.46 = 652.08 : x
  2. Step 2: Convert to fraction form
    848.10/1,169.46 = 652.08/x
  3. Step 3: Cross multiply
    848.10x = 1,169.46 × 652.08
  4. Step 4: Simplify right side
    848.10x = 762,581.48
  5. Step 5: Solve for x
    x = 762,581.48/848.10
  6. Step 6: Final answer
    x = 899.16

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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.