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Finding the Fourth Proportional to 614.60, 848.14 and 352.60

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Solution

The fourth proportional to 614.60, 848.14 and 352.60 is: 486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.60 : 848.14 = 352.60 : x
  2. Step 2: Convert to fraction form
    614.60/848.14 = 352.60/x
  3. Step 3: Cross multiply
    614.60x = 848.14 × 352.60
  4. Step 4: Simplify right side
    614.60x = 299,054.16
  5. Step 5: Solve for x
    x = 299,054.16/614.60
  6. Step 6: Final answer
    x = 486.58

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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.