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Finding the Fourth Proportional to 618.19, 848.07 and 602.05

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Solution

The fourth proportional to 618.19, 848.07 and 602.05 is: 825.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    618.19 : 848.07 = 602.05 : x
  2. Step 2: Convert to fraction form
    618.19/848.07 = 602.05/x
  3. Step 3: Cross multiply
    618.19x = 848.07 × 602.05
  4. Step 4: Simplify right side
    618.19x = 510,573.29
  5. Step 5: Solve for x
    x = 510,573.29/618.19
  6. Step 6: Final answer
    x = 825.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.