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Finding the Fourth Proportional to 618.01, 933.77 and 612.07

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Solution

The fourth proportional to 618.01, 933.77 and 612.07 is: 924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    618.01 : 933.77 = 612.07 : x
  2. Step 2: Convert to fraction form
    618.01/933.77 = 612.07/x
  3. Step 3: Cross multiply
    618.01x = 933.77 × 612.07
  4. Step 4: Simplify right side
    618.01x = 571,532.60
  5. Step 5: Solve for x
    x = 571,532.60/618.01
  6. Step 6: Final answer
    x = 924.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.