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Finding the Fourth Proportional to 848.90, 1,173.47 and 652.07

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Solution

The fourth proportional to 848.90, 1,173.47 and 652.07 is: 901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.90 : 1,173.47 = 652.07 : x
  2. Step 2: Convert to fraction form
    848.90/1,173.47 = 652.07/x
  3. Step 3: Cross multiply
    848.90x = 1,173.47 × 652.07
  4. Step 4: Simplify right side
    848.90x = 765,184.26
  5. Step 5: Solve for x
    x = 765,184.26/848.90
  6. Step 6: Final answer
    x = 901.38

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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.